`a^-n`=_______

A

`-a^n`

B

`1/a^n`

C

-a

D

`-n^a`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • EXPLORING GEOMETRIC FIGURES

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|51 Videos

  • FACTORISTION

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|182 Videos

Similar Questions

Explore conceptually related problems

For n ge 2, let I_n= int_0^(pi//4) tan^n xdx and F_n=I_n+I_(n-2) . Then F_n-F_(n+1)=

underset(n to oo)lim (""^(n)P_(n))/(""^(n+1)P_(n+1)-""^(n)P_(n))=

A = {8^(n) - 7n - 1 : n in N}, B = {49(n-1) : n in N } then

{:(" "Lt),(n rarr oo):} ((n!)/(n^(n)))^(1/n)=

Prove that 5^(n) (1+(n)/(5) +(n(n-1))/(5*10) +(n(n-1)(n-2))/(5*10*15)+…oo)=3^(n) (1+(n)/(2)+(n(n+1))/(2*4)+(n(n+1)(n+2))/(2*4*6)+…oo)

{:(" "Lt),(n rarr oo):}(((2n)!)/(n!n^(n)))^(1/n)=

""^(2n)C_(n+1)+2. ""^(2n)C_(n) + ""^(2n) C_(n-1) =